Supportive insert for a shoe



FIG. 1 is a top perspective view of a supportive insert for a shoe, showing the new design;

FIG. 2 is a top plan view of the supportive insert for a shoe;

FIG. 3 is a medial side elevational view of the supportive insert for a shoe;

FIG. 4 is a lateral side elevational view of the supportive insert for a shoe;

FIG. 5 is a front elevational view of the supportive insert for a shoe; and,

FIG. 6 is a rear elevational view of the supportive insert for a shoe. 

The ornamental design for a supportive insert for a shoe, as shown and described. 